Neutron

Neutron Detectors

Model 42-31H

Ludlum Part Number: 47-3583

Neutron Radiation Survey
H-3 Proportional Radiation Detector
Used with Ludlum Radiation Meters Capable of Achieving -2 mV Sensitivity
Sensitivity: typically 100 cpm/mrem/hr (Am-241 Fast Neutrons)
Detection Range: Thermal to 12 MeV

Energy Response: Thermal to 12 MeV
Moderator: 9.0 in. Diameter Cadmium-Loaded Polyethylene Sphere
Gamma Rejection: 10 cpm or less through 10 R/hr (Cs-137)

Data Sheet Product Manual

Model 42-30H

Ludlum Part Number: 47-3582

Neutron Radiation Survey
Wall Mount H-3 Proportional Radiation Detector
Used with Ludlum Models 375, 177-50, 177-61
Gamma Rejection: 10 cpm or less through 10 R/hr (Cs-137)

Moderator: 10.0 in. Dia. Polyethylene Sphere
Energy Response: Thermal to 12 MeV
Detection Range: Thermal to 12 MeV
Sensitivity: 200 cpm/mrem/hr (AmBe-241)

Data Sheet Product Manual

Model 42-41L

Ludlum Part Number: 47-3309

Neutron Radiation Survey
PRESCILA Proton Recoil Scintillation Detector
Used with Ludlum Models 2363, 12, 2221, 2241-Series, 3IS, 2350-1
Sensitivity: approximately 350 cpm/mrem/hr (AmBe-241)

Energy Response: Thermal to 100 MeV
Gamma Rejection: approximately 400 cpm at 100 mR/hr (Cs-137)

Data Sheet Product Manual

Model 42-5

Ludlum Part Number: 47-1505

Neutron Radiation Fluences and Dose Determination
4 x 4 mm Li-6I(Eu) Scintillation Detector
Used with Ludlum General Purpose Radiation Survey Meters, Ratemeters, Scalers
Sensitivity: typically 45 cpm/mrem/hr (AmBe-241) with 10 in. Moderator

Energy Range: Thermal to 12 MeV
Moderators: Provided with 2 in.; 3 in.; 5 in.; 8 in.; 10 in.; 12 in. Dia. High-Density Polyethylene Spheres (others available)
Gamma Rejection: 10 cpm or less through 100 mR/hr (Cs-137)

Data Sheet Product Manual

Mobile: (817) 907-0323
Office: (817) 599-9049

[email protected]
[email protected]